Wheels Manufacturing SOLO-SPEED Cog - 21t Fits SOLO-SPLINE SOLO-XD kits Red MFPN=300-1020-002 Bike Mountable Yes Compatibility iPhone

Bike Mountable Yes Compatibility iPhone SE (2nd Gen) /8/7 Defined Color Black Waterproof No

5Shoe Size (US) 13Shoe Size (US) 14Water Protection NoneDefined Color Black

Heavy-duty industrial resin body withstands ship use and will not crack from work bench drops

Compatible only with Cane Creek HELM forks

Wheels Manufacturing SOLO-SPEED Cog - 21t Fits SOLO-SPLINE SOLO-XD kits Red MFPN=300-1020-002 Bike Mountable Yes Compatibility iPhoneWheels Manufacturing SOLO XD Cog 21t Red. Wheels Mfg. SOLO XD and SOLO SPLINE Single Speed cogs are constructed with high end 7075 aluminum and designed with narrow to wide alternating tooth pattern allowing for superior chain retention. Cogs are optimized for use with Wheels Mfg. SOLO XD XD XDR and SOLO SPLINE Single Speed Conversion kit carrier systems only. Crafted with high end 7075 aluminum for light weight and extreme durability Cogs are